CA2152330A1 - Method and apparatus for conversion of compressed bit stream representation of video signal - Google Patents
Method and apparatus for conversion of compressed bit stream representation of video signalInfo
- Publication number
- CA2152330A1 CA2152330A1 CA002152330A CA2152330A CA2152330A1 CA 2152330 A1 CA2152330 A1 CA 2152330A1 CA 002152330 A CA002152330 A CA 002152330A CA 2152330 A CA2152330 A CA 2152330A CA 2152330 A1 CA2152330 A1 CA 2152330A1
- Authority
- CA
- Canada
- Prior art keywords
- bit stream
- video
- encoded
- bits
- transmission standard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/287,990 US5512953A (en) | 1994-08-09 | 1994-08-09 | Method and apparatus for conversion of compressed bit stream representation of video signal |
US287,990 | 1994-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2152330A1 true CA2152330A1 (en) | 1996-02-10 |
Family
ID=23105274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002152330A Abandoned CA2152330A1 (en) | 1994-08-09 | 1995-06-21 | Method and apparatus for conversion of compressed bit stream representation of video signal |
Country Status (4)
Country | Link |
---|---|
US (1) | US5512953A (ja) |
EP (1) | EP0696873A2 (ja) |
JP (1) | JPH0870440A (ja) |
CA (1) | CA2152330A1 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5715009A (en) | 1994-03-29 | 1998-02-03 | Sony Corporation | Picture signal transmitting method and apparatus |
JP3111028B2 (ja) | 1996-03-14 | 2000-11-20 | 松下電器産業株式会社 | 画像信号処理装置及び画像信号処理方法 |
GB9608271D0 (en) | 1996-04-22 | 1996-06-26 | Electrocraft Lab | Video compession |
US5835151A (en) * | 1996-05-15 | 1998-11-10 | Mitsubishi Electric Information Technology Center America | Method and apparatus for down-converting a digital signal |
US5907374A (en) * | 1997-06-30 | 1999-05-25 | Hewlett-Packard Company | Method and apparatus for processing a compressed input bitstream representing an information signal |
JP4132664B2 (ja) * | 1997-11-27 | 2008-08-13 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | トランスコーディング |
GB2333656B (en) * | 1998-01-22 | 2002-08-14 | British Broadcasting Corp | Compressed signals |
JPH11275592A (ja) * | 1998-01-22 | 1999-10-08 | Victor Co Of Japan Ltd | 動画像符号列変換装置及びその方法 |
US6058143A (en) * | 1998-02-20 | 2000-05-02 | Thomson Licensing S.A. | Motion vector extrapolation for transcoding video sequences |
CA2265089C (en) * | 1998-03-10 | 2007-07-10 | Sony Corporation | Transcoding system using encoding history information |
US6697061B1 (en) | 1999-01-21 | 2004-02-24 | Hewlett-Packard Development Company, L.P. | Image compression featuring selective re-use of prior compression data |
EP1069779B1 (en) | 1999-02-09 | 2016-04-13 | Sony Corporation | Coding system and its method |
US6400763B1 (en) | 1999-02-18 | 2002-06-04 | Hewlett-Packard Company | Compression system which re-uses prior motion vectors |
US7885340B2 (en) * | 1999-04-27 | 2011-02-08 | Realnetworks, Inc. | System and method for generating multiple synchronized encoded representations of media data |
JP3694888B2 (ja) * | 1999-12-03 | 2005-09-14 | ソニー株式会社 | 復号装置および方法、符号化装置および方法、情報処理装置および方法、並びに記録媒体 |
FR2809573B1 (fr) | 2000-05-26 | 2002-08-16 | Thomson Broadcast Systems | Procede de codage d'un flux d'images video |
CN1833446A (zh) * | 2003-04-10 | 2006-09-13 | 日本电气株式会社 | 运动图像压缩编码方式转换装置及运动图像通信系统 |
KR100602954B1 (ko) * | 2004-09-22 | 2006-07-24 | 주식회사 아이큐브 | 미디어 게이트웨이 |
US8010711B2 (en) | 2007-01-26 | 2011-08-30 | Digital Video Chip, Llc | Universal multimedia |
US8111757B2 (en) * | 2007-09-28 | 2012-02-07 | Motorola Mobility, Inc. | Method and apparatus for video signal processing |
JP4656457B2 (ja) * | 2008-11-13 | 2011-03-23 | Necアクセステクニカ株式会社 | 画像処理システム |
DE102009011251A1 (de) | 2009-03-02 | 2010-09-09 | Siemens Enterprise Communications Gmbh & Co. Kg | Multiplexverfahren und zugehörige funktionelle Datenstruktur zum Zusammenfassen digitaler Videosignale |
WO2021051046A1 (en) | 2019-09-14 | 2021-03-18 | Bytedance Inc. | Quantization parameter for chroma deblocking filtering |
WO2021072177A1 (en) | 2019-10-09 | 2021-04-15 | Bytedance Inc. | Cross-component adaptive loop filtering in video coding |
CN114586370B (zh) * | 2019-10-14 | 2024-01-23 | 字节跳动有限公司 | 在视频编解码中使用色度量化参数的方法、装置及介质 |
EP4055827A4 (en) | 2019-12-09 | 2023-01-18 | ByteDance Inc. | USING QUANTIFICATION GROUPS IN VIDEO CODING |
CN114902657A (zh) | 2019-12-31 | 2022-08-12 | 字节跳动有限公司 | 视频编解码中的自适应颜色变换 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5028995A (en) * | 1987-10-28 | 1991-07-02 | Hitachi, Ltd. | Picture signal processor, picture signal coder and picture signal interpolator |
US5414469A (en) * | 1991-10-31 | 1995-05-09 | International Business Machines Corporation | Motion video compression system with multiresolution features |
JP3278881B2 (ja) * | 1991-12-13 | 2002-04-30 | ソニー株式会社 | 画像信号生成装置 |
US5262854A (en) * | 1992-02-21 | 1993-11-16 | Rca Thomson Licensing Corporation | Lower resolution HDTV receivers |
US5408274A (en) * | 1993-03-11 | 1995-04-18 | The Regents Of The University Of California | Method and apparatus for compositing compressed video data |
-
1994
- 1994-08-09 US US08/287,990 patent/US5512953A/en not_active Expired - Lifetime
-
1995
- 1995-06-21 CA CA002152330A patent/CA2152330A1/en not_active Abandoned
- 1995-08-02 EP EP95305418A patent/EP0696873A2/en not_active Withdrawn
- 1995-08-09 JP JP7222768A patent/JPH0870440A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH0870440A (ja) | 1996-03-12 |
US5512953A (en) | 1996-04-30 |
EP0696873A2 (en) | 1996-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Dead |